although the obama administration says it more than doubled the capacity of the insurance marketplace to handle 50,000 users at a time, after five weeks of trouble shooting. by late are morning, more than 375,000 people had gone into the site, landing in a virtual waiting room that holds their place in an on-line queue. but if the front end remains slow, the insurers say the big problem is the back end of the marketplace, the actual planned enrollment system continues to generate faulty information. >> the health care plans are receiving enrollment files that have problems, including missing or inaccurate information. and in some cases, they are not receiving the health care files at all. >> reporter: in many cases, they have to enroll them by hand. >> having the complete enrollment information is essential for coverage to be able to begin on january first. >> reporter: the state and federal exchange have generated more than 230,000 confirmed elections through november 30th. insurers already back logged trying to process the applications, worrying that they won't be able to handle the